Photo: Walter McBride / WM Photography/Retna Ltd/Ed Bailey/Invision/AP
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By Rebecca Silverstein
Can you believe this "Karate Kid" star turned 50 on Nov. 4, 2011? He doesn't look a day over 30! But Ralph's not the only celeb who seems to have found the fountain of youth. Sure, styles change, but these stars look the same as they did a decade (or more) ago. Keep clicking for more ageless wonders!